Table 5. Calculated N-S ranges, shifts and estimated importance values 
   due to GISS and GFDL model forecasts.
   Scores of -99 indicate the species is projected to become absent in 
   the United States, while a score of 208 indicates
   the species abuts the Canadian border and a score of 70 indicates 
   the species abuts the Gulf of Mexico.
   See Figure 1 for approximate locations of the row numbers indicated; 
   each row corresponds to 10 km south to north.
Southern optimumNorthern optimumLatitudinal optimumIV at optimum latitude
SpeciesFIAPred.GISSGFDLFIAPred.GISSGFDLFIAPred.GISSGFDLFIAPred.GISSGFDL
Abies balsamea191135199-99208208204-99200180202-994.85.44.0-99
Acer negundo7176767620820820820814514414414411.06.06.06.0
Acer pensylvanicum1181431661662082082032031701771821826.27.43.03.0
Acer rubrum104104707020820820819915615614712720.215.68.34.9
Acer saccharinum95118767620820820820816116716315912.813.014.614.8
Acer saccharum120110148-99208208208-99164161183-9916.212.810.0-99
Betula alleghaniensis109146191-99208208208-99169182200-996.06.44.6-99
Betula lenta1201441571572022082082081641731841848.59.18.17.4
Betula papyrifera179188-99-99208207-99-99198198-99-996.611.0-99-99
Carpinus caroliniana707070702062051912081381471281394.95.94.64.6
Carya cordiformis961401401402082082082081611741741746.04.95.04.9
Carya glabra861291531531911791791791521501651656.56.75.85.8
Carya ovata13211011011020820820820717416716716710.56.26.66.5
Carya sp.7373828120120420820613313013714010.38.69.38.3
Carya tomentosa767676761942082082081371341451466.86.16.16.1
Celtis laevigata70707070134128208208999714313912.720.121.714.0
Celtis occidentalis8511314014020820820820815616017417814.710.039.644.2
Cercis canadensis861041211211831822082081401431701705.34.34.64.6
Cornus florida707089892011862011971291241451438.78.08.48.3
Crataegus sp.701531941852082082032031471821981947.88.512.78.7
Diospyros virginiana707080801611562082081161161481494.86.36.66.4
Fagus grandifolia711031021022082082081631551641441329.39.87.66.2
Fraxinus americana7170707020820820820815616315916010.711.19.810.1
Fraxinus nigra1501811851852082082082081851951961966.87.27.77.5
F. pennsylvanica7070707020820820820814513714014015.010.411.511.8
Fraxinus sp.707070701571701701701171181221175.43.64.13.5
Gleditsia triacanthos748181812031972062061501641731737.76.914.114.3
Ilex opaca7011199991611601471471171341231237.210.76.26.2
Juglans nigra1107070812071982082081671351401508.55.521.527.8
Juniperus virginiana7085707020820820820815115013913913.58.312.613.7
Liquidambar styraciflua7070707017317320220511411812813218.618.313.013.6
Liriodendron tulipifera749294941892082082081341411421429.39.89.08.4
Maclura pomifera9370707118920220120814614313414412.215.618.018.7
Magnolia virginiana70707070168168126138114109971015.45.210.811.0
Morus rubra9514414414420620119720116217316917310.116.920.116.9
Nyssa aquatica707777771391381381381051031031036.48.27.37.3
Nyssa biflora7070707014319516016210112311211312.39.317.617.5
Nyssa sylvatica707070701911772042041321221321327.05.36.65.4
Ostrya virginiana738080802082082082051431641471536.79.38.916.0
Oxydendrum arboreum818399991631521751751191191371376.76.110.09.6
Pinus echinata7070707016812919019110810312112011.713.216.717.7
Pinus elliottii70707070115911271279079959812.613.117.919.0
Pinus palustris7070707011411115418093921041219.67.28.910.3
Pinus resinosa157176-99-99208208-99-99185194-99-997.56.9-99-99
Pinus strobus10410410410420820820820815615515615610.410.715.215.5
Pinus taeda7070707015315317117610911011212135.435.241.036.9
Pinus virginiana8975919316920418719012612613714011.67.511.614.5
Platanus occidentalis728686861911711772021341271371406.25.59.39.6
Populus deltoides12814514514520820820820817317717517727.126.421.828.8
Populus grandidentata152135-99-99208208-99-99183185-99-996.69.0-99-99
Populus tremuloides162135205-99208208208-99188186206-999.17.98.7-99-99
Prunus serotina7093188-99208208208-99139153198-998.07.710.3-99-99
Quercus alba707070701451411821821071041211205.35.35.05.2
Quercus coccinea707073711581581961981111111361396.75.57.06.9
Q. falcata var. falcata10092959520820820820815415015515413.19.511.913.7
Q. f. var. pagodaefolia929299992012041981961461431471457.05.35.58.1
Quercus laurifolia7070707011611313113891901051076.36.510.810.9
Quercus macrocarpa14815615615620820820820818018318218218.620.715.315.3
Quercus marilandica707479901711592082081191151501467.58.810.212.6
Quercus muehlenbergii1051061271272001732082081491471701706.97.98.38.4
Quercus nigra70707070154120154171103921081178.59.09.49.9
Quercus palustris1231331731722041911901901621621811807.97.38.18.9
Quercus phellos70707070151128191208108941291355.27.18.17.9
Quercus prinus9393898920418720820814214515515212.113.812.912.8
Quercus rubra1101061091372082082082081611571721728.66.55.74.6
Quercus stellata7474778617515720820812011514614613.69.927.442.3
Quercus velutina1059310910920820820820815615116315410.06.87.511.0
Robinia psuedoacacia871061061062071982061981531511511466.59.49.49.6
Salix nigra12316416416420820720720717318418418410.920.320.320.3
Salix sp.707070702071231221221299894949.313.214.714.7
Sassafras albidum799595952062081822081501481381456.95.96.26.3
Taxodium distichum7070707012378108121887388904.25.017.115.5
T. distichum var.nutans707070701451931931931051101101107.16.45.05.0
Thuja occidentalis194144-99-99208208-99-99201188-99-998.67.0-99-99
Tilia americana1101501821752082082052051651791931907.06.613.516.6
Tsuga canadensis1091091281282082082082081591591891897.86.39.39.8
Ulmus alata747070701451462082081051081361449.26.811.516.7
Ulmus americana8370707020820820820814914114114013.510.910.610.7
Ulmus rubra788070702082082082081561441421358.05.09.113.2
Ulmus sp.767370702062062062061371381311316.78.98.98.9